Total fertility rate for Aboriginal and Torres Strait Islander mothers(d)(e)

rate

1.934

2.222

2.271

Crude birth rate(f)

rate

13.1

12.8

12.8

Net reproduction rate(g)

rate

0.884

0.869

0.869

Median age of mother

years

30.7

30.9

31.0

Median age of father (where age is known)

years

32.9

33.0

33.1

(a) Includes Other Territories.

(b) Rates have been calculated using preliminary (2015) estimated resident population, based on the 2011 Census.

(c) Number of males per 100 females.

(d) Due to changes over time in the completeness and coverage of responses by the parent(s) to the Aboriginal and Torres Strait Islander question on the birth registration form, care should be taken when interpreting the changes in the data.